Group+7+(2)

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Learn how to find volume using disks and washers method!

This video explains as to how disk problems are done. Disk Video

A webpage that has disk problems and their answers: Disk Problems


 * [[image:http://mathdemos.gcsu.edu/mathdemos/washermethod/washers_2region.gif width="176" height="205"]]

**Region to Revolve about x-axis** ||  ||
 * [[image:http://mathdemos.gcsu.edu/mathdemos/washermethod/gallery/washers_9_region.gif width="227" height="210"]]
 * Region to Revolve about y-axis** || [[image:http://mathdemos.gcsu.edu/mathdemos/washermethod/washers_9_solid.gif]] ||

Step-by-step process to solve a washer problem - very helpful.

Click on the following link on how to use washers method: Washers Method

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Another informative step-by-step process on the shell method. Here is an example of a shells problem.

Click here to figure out when to use what method!

Listen to this podcast for some useful reminders! media type="file" key="WAVE2.wav" width="300" height="50"

Below is a practice quiz and the answers to them.